SONOFF TH Elite 16A/20A Smart Temperature & Humidity WiFi Switch Dry Contact Real Time Monitoring via eWeLink Alexa Google
Computer Peripherals
“The SONOFF TH Elite is a specialized ESP32-based smart switch featuring a bistable latching relay and external sensor support for precise temperature and humidity monitoring. While it offers advanced automation potential for climate control, it requires technical proficiency for custom firmware flashing and careful configuration to avoid hardware overheating.”
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ESP32-based architecture allows for custom firmware integration and advanced local control.
sonoff.techSONOFF TH Elite is a smart switch for monitoring temperature and humidity based on ESP32.
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Bistable latching relay design reduces power consumption by only requiring pulses to switch states.
devices.esphome.ioThe main relay is bistable/latching, meaning a pulse on pin 1 switches the relay ON
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Incorrect configuration of relay GPIO pins can cause the device to overheat dangerously.
devices.esphome.iothe two main relay pins were stay simultaneously active... making the device dangerously hot.
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Flashing custom firmware via serial connection is prone to boot loops without specific workarounds.
deepwiki.comSome newer devices... may experience boot loops when flashing ESPHome directly.
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Requires physical disassembly to access pins for initial firmware flashing.
devices.esphome.ioDifficulty:Disassembly required
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What’s a little bit annoying is the fact that after enabling Auto mode, going to manual mode in the eWeLink app doesn’t override it.
notenoughtech.comWhat’s a little bit annoying is the fact that after enabling Auto mode, going to manual mode in the eWeLink app doesn’t override it.